I'm almost (almost but not quite) too embarrassed to ask this , but what is a good way to mount (brass) flanges to a Sinar (aluminun) lens board. Since aluminum is softer than brass, could one use brass screws into pilot holes or should the lens board be drilled right through and a nut and bolt used? Is there such a thing as a wooden Sinar type board so that wood screws could be used? Thank you!
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